/**
 * MIT License
 * <p>
 * Copyright (c) 2017 James
 * <p>
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * <p>
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * <p>
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package me.zbl.facade;

import java.util.ArrayList;
import java.util.List;

/**
 * 课程外观
 */
public class CourseFacade {

  private final List<CourseParticipator> participators;

  public CourseFacade() {
    participators = new ArrayList<>();
    participators.add(new CourseTeacher());
    participators.add(new CourseStudent());
  }

  public void prepare() {
    for (CourseParticipator participator :
            participators) {
      participator.action(CourseParticipator.Event.EVENT_GOTO_SCHOOL);
      participator.action(CourseParticipator.Event.EVENT_PREPARE);
    }
  }

  public void proceed() {
    for (CourseParticipator participator :
            participators) {
      participator.action(CourseParticipator.Event.EVENT_PROCEED);
    }
  }

  public void stop() {
    for (CourseParticipator participator :
            participators) {
      participator.action(CourseParticipator.Event.EVENT_STOP);
      participator.action(CourseParticipator.Event.EVENT_GO_HOME);
    }
  }
}
